[meteorite-list] HUGE Meteor Sighting in Cottonwood AZ - Stats from fall

From: Jim Wooddell <jim.wooddell_at_meteoritecentral.com>
Date: Mon, 14 Apr 2014 08:55:49 -0700
Message-ID: <534C0505.1070301_at_suddenlink.net>

Hi Chris,

Yes, and that's what we do!

Jim


On 4/14/2014 8:18 AM, Chris Peterson wrote:
> Ground level sonics are a very good indicator that meteorites were
> produced. However, the absence of sonics doesn't argue against
> meteorites at all.
>
> In all likelihood, the majority of meteorite falls are not preceded
> with either a significant fireball nor any acoustics. We are subject
> to a very strong observation bias because those tend to be the only
> sort of events where we can actually correlate meteors to meteorites.
> And of course, such meteorites represent only a tiny fraction of the
> total.
>
> Regardless of any other factors, fireballs that display either a
> massive terminal explosion or multiple fragmentation events along
> their paths warrant close examination as potential meteorite producers.
>
> Chris
>
> *******************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
>
> On 4/13/2014 4:47 PM, Jim Wooddell wrote:
>> Hi Shawn, This is a fairly normal event. Nothing much to get excited
>> about. The calculation is an error. If the 40.8km is the burn out I
>> doubt anyone will waste much time on this one.
>> No sonic reports to speak of and that is also not a good sign. The UT is
>> questionable too!
>>
>> Jim
>
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-- 
Jim Wooddell
jim.wooddell at suddenlink.net
http://pages.suddenlink.net/chondrule/
Received on Mon 14 Apr 2014 11:55:49 AM PDT


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